Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

CSD9510 > 5 - WRS & Suprathreshold Testing > Flashcards

5 - WRS & Suprathreshold Testing Flashcards

1
Q

The measure of threshold for the detection of speech is referred to as the ________

A

Speech Detection Threshold (SDT or SAT)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The measure of threshold for identification of speech is referred to as the ________

A

Speech Recognition Threshold

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The ability to distinguish words at suprathreshold levels is tested with the _______

A

Word Recognition Score (WRS)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The WRS is an example of ________ (threshold/suprathreshold) measures

A

Suprathreshold

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the two possible response formats for WRS?

A

Open set: repetition, paper and pencil

Closed set: picture board, computerized response mode

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

True or False: WRS is synonymous with speech discrimination

A

False, because it tests the ability to recognize word or speech - it is not testing the ability to discriminate between similar words

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The WRS results are calculated as a ______

A

% correct

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Does the WRS use single syllable or double syllable words?

A

Single syllable: consonant-vowel-consonant

PB (Phonetically balanced) word list
-possible lists include the PB50, CID W-22, and NU-6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Describe the WRS instructions. Is a carrier phrase used?

A

Yes - instruct the client that you will say a list of words to them, and that they are to repeat each word after you. Guessing is okay.

Begin presentation (Say the word….yard, knees, stove, etc)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

How long are PB word lists?

A

50 words

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

True or false: during WR Testing, presenting the word with a carrier phrase assists with VU monitoring

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What do WRS results indicate?

A

The ability to correctly recognize speech at supra-threshold levels

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

True or false: WRS results are expressed as % correct at intensity level
E.g. 100% at 80 dB HL

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Name one method for determining the initial test level for WRS

A
  • 30-40 dB above SRT
  • 50 dB HL or 15 dB above SRT, whichever is higher
  • Most Comfortable Level (MCL)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What does PI stand for?

A

Performance Intensity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

True or False: PI function shows how the client’s speech recognition performance (in % correct on the y-axis) depends on the intensity of the test materials (x-axis)

A

True

*PBmax indicates the level in dB HL of the maximum % correct achieved (when dB is raised above this point, there is no improvement)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is the PBmax for normal hearing listeners?

A

100% at 35-40 dB re SRT

18
Q

True or false: regarding PI Function, increasing the intensity of a speech signal will improve the intelligibility and understanding in normal hearing individuals

A

True

19
Q

True or false: regarding PI Function, increasing the intensity of a speech signal will improve the intelligibility and understanding in individuals with HL

A

Not necessarily; degree of improvement in intelligibility is highly variable across individuals with HL

20
Q

A retrocochlear lesion may be indicated by WRS results that are _____ (better/worse) than expected, and rollover of PI function

A

Worse

21
Q

Name one possible reason a person might hear, but not be able to understand

A
  • loss of high frequency unvoiced consonants

- underlying pathophysiology (inner/outer hair cells, 8th nerve)

22
Q

What is PI Function Rollover

A

When speech recognition decreases once the dB HL is increased further (beyond PBmax)

23
Q

A word recognition score of 80% would be considered _______ (Very poor/poor/fair/good/excellent)

A

Good

24
Q

A word recognition score of 60% would be considered _______ (Very poor/poor/fair/good/excellent)

A

Fair

25
Q

A word recognition score of 91% would be considered _______ (Very poor/poor/fair/good/excellent)

A

Excellent

26
Q

A word recognition score of 34% would be considered _______ (Very poor/poor/fair/good/excellent)

A

Very poor

27
Q

A word recognition score of 40% would be considered _______ (Very poor/poor/fair/good/excellent)

A

Poor

28
Q

Which word lists are more reliable for WRS: 25 or 50?

A

50 word lists

29
Q

In the quick version of WRS, testing begins at 80 dB HL or 30 dB SL (whichever is higher.
If WRS > or = 84% with 25 words, then ______ (no further testing is necessary/ increase the level if tolerated) to obtain PBmax

A

No further testing necessary

30
Q

Name one reason WRS differences are important

A
  • compare test-retest results

- compare ear differences

31
Q

What does “SPRINT” stand for?

A

Speech Recognition Interpretation Chart

32
Q

What two things can a SPRINT chart be used for?

A
  • within patient comparison of repeated WRS

- within patient agreement between PTA3 and WRS

33
Q

True or false: the within patient comparison of repeated WRS is based on 25 word list, and can compare WRS tests done at different times, or measured for RE vs LE

A

True

34
Q

When comparing WRS with WRS, the first test is measured on the ____ (x/y) axis, and the second test is measured on the ____ (x/y) axis

A

1st test: x axis

2nd test: y axis (right)

35
Q

What does the oval region on the SPRINT chart indicate?

A

No critical difference between 2 WRS results (95% critical differences for 25-word list)

36
Q

When using the SPRINT chart to compare WRS agreement with PTA, the WRS score is on the ____ (x/y) axis, and the PTA is on the ___ (x/y) axis

A

WRS score on x axis

PTA on y axis (left)

37
Q

When comparing WRS and PTA on the SPRINT chart, the shaded area indicates a disproportionately ____ (low/high) score

A

Low

White area indicates WRS as expected compared to PTA

Grey/shaded area indicates WRS lower than expected compared to PTA

38
Q

What is one limitation of the WRS?

A

Validity - does not reflect speech perception in real world
-tested in quiet, low words

Reliability

  • number of words
  • test procedure (live voice, MCL, fixed SL, multi-level WRS)
39
Q

Give an example of a WRS modification for pediatric populations

A

WIPI - closed set test with pictures designed for children

PBK - phonetically balanced kindergarten list

40
Q

WRS: Summary of Clinical Value

  • differential diagnosis
  • hearing instrument counselling
  • communication ability

Expand on the last two

A

Counselling

  • realistic expectations
  • additional technology

Communication Ability
- predict difficulty with communication
Improved WRS at higher levels = potential benefit from amplification
No improved WRS at higher levels = counselling (realistic expectations), alternative strategies (FM systems, aural rehab)

CSD9510 (17 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions